/Engine/Source/Developer/ToolMenus/Public/ToolMenus.h
Registers a menu by name
ToolMenu Menu object
[UToolMenu](API\Developer\ToolMenus\UToolMenu) * RegisterMenu ( [FName](API\Runtime\Core\UObject\FName) Name, const [FName](API\Runtime\Core\UObject\FName) Parent, EMultiBoxType Type, bool bWarnIfAlreadyRegistered )